diff options
| -rw-r--r-- | kernel/kthread.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/kthread.c b/kernel/kthread.c index f97fd01a2932..7e6751b29101 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c @@ -1382,6 +1382,10 @@ EXPORT_SYMBOL_GPL(kthread_flush_worker); * Flush and destroy @worker. The simple flush is enough because the kthread * worker API is used only in trivial scenarios. There are no multi-step state * machines needed. + * + * Note that this function is not responsible for handling delayed work, so + * caller should be responsible for queuing or canceling all delayed work items + * before invoke this function. */ void kthread_destroy_worker(struct kthread_worker *worker) { @@ -1393,6 +1397,7 @@ void kthread_destroy_worker(struct kthread_worker *worker) kthread_flush_worker(worker); kthread_stop(task); + WARN_ON(!list_empty(&worker->delayed_work_list)); WARN_ON(!list_empty(&worker->work_list)); kfree(worker); } |